Neco 2025 Chemistry Question 4

Practice objective / multiple choice question 4 from the 2025 Neco Chemistry examination.

Neco 2025 Chemistry Objective / Multiple Choice Medium Difficulty
Question 4 NECO • 2025 • CHEMISTRY • objective

Consider a galvanic cell constructed as follows: Zn|Zn^{2+}(0.010 \; \text{M})||Cu^{2+}(0.10 \; \text{M})|Cu at 25^{\circ}\text{C}. The standard reduction potentials are \(E^{\circ}_{\text{Cu}^{2+}/\text{Cu}} = +0.34 \; \text{V}\) and \(E^{\circ}_{\text{Zn}^{2+}/\text{Zn}} = -0.76 \; \text{V}\). (a) Calculate the cell potential under the given conditions. (b) Determine the maximum electrical work obtainable from the transfer of 1.00 mol of electrons.

Answer Options

A. E_cell = 1.13 V; W_max = 9.5×10^4 J
B. E_cell = 1.25 V; W_max = 1.09×10^5 J
Correct Answer C. E_cell = 1.13 V; W_max = 1.09×10^5 J
D. E_cell = 0.94 V; W_max = 9.1×10^4 J
Correct Answer
C
Correct Option:
E_cell = 1.13 V; W_max = 1.09×10^5 J

About This Question

This is Neco 2025 Chemistry Question 4. It is one of the objective questions from the 2025 Neco Chemistry examination.

Difficulty level: Medium .

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